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1. How do open display cases maintain the temperature within the case without any doors?

2. The temperature is monitored in an open display case at what location?

3. How many air curtains are used in a multideck open display freezer?

4. What are the advantages of CO 2 as a refrigerant?

5. What are the disadvantages of CO 2 as a refrigerant?

Electrical & Electronics, Engineering

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